[Q] serial communication with cp2105(silicon labs)

i wanted to connect emote(cp2105) to nexus 7(2012) and read data serially from that device
i installed apps like USB SERIAL MONItOR,FREE USB SaERIAL TERMINAL from playstore.They could only detect the device but could not receive data from the device..
please help me out...any suggestions would be useful

XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality.Are you a developer?